---
title: "Reference: Mastra.getGateway() | Core"
description: "Retrieve a registered gateway by its registration key"
---

# Mastra.getGateway()

Retrieves a gateway by its registration key (the key used when adding the gateway to Mastra).

## Usage example

```typescript
import { Mastra } from '@mastra/core';

const mastra = new Mastra({
  gateways: {
    myGateway: new MyCustomGateway(),
  },
});

const gateway = mastra.getGateway('myGateway');
console.log(gateway.name); // 'My Custom Gateway'
```

## Parameters

<PropertiesTable
  content={[
    {
      name: 'key',
      type: 'string',
      description: 'The registration key of the gateway',
    },
  ]}
/>

## Returns

<PropertiesTable
  content={[
    {
      name: 'gateway',
      type: 'MastraModelGateway',
      description: 'The gateway instance',
    },
  ]}
/>

## Throws

Throws an error if no gateway is found with the specified key.

## Related

- [Mastra.getGatewayById()](/reference/v1/core/getGatewayById) - Get gateway by ID
- [Mastra.listGateways()](/reference/v1/core/listGateways) - List all gateways
- [Mastra.addGateway()](/reference/v1/core/addGateway) - Add a gateway
- [MastraModelGateway](/reference/v1/core/mastra-model-gateway) - Gateway base class
- [Custom Gateways Guide](/models/v1/gateways/custom-gateways) - Creating custom gateways
